如何通过Java网络编程精确获取并解析IP地址？

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javapackage cn.usts.edu.lesson01;import java.net.InetAddress;import java.net.UnknownHostException;

public class TestInetAddress { public static void main(String[] args) { try { InetAddress address=InetAddress.getByName(localhost); System.out.println(IP Address: + address.getHostAddress()); } catch (UnknownHostException e) { System.out.println(Unknown host: + e.getMessage()); } }}

packagecn.usts.edu.lesson01;importjava.net.InetAddress;importjava.net.UnknownHostExceptio

package cn.usts.edu.lesson01;import java.net.InetAddress;import java.net.UnknownHostException;public class TestInetAddress {public static void main(String[] args) {try {// 获取本机地址InetAddress inetAddress InetAddress.getByName("127.0.0.1");System.out.println(inetAddress);InetAddress inetAddress02 InetAddress.getByName("localhost");System.out.println(inetAddress02);InetAddress inetAddress03 InetAddress.getLocalHost();System.out.println(inetAddress03);// 查询网络ip地址InetAddress inetAddress01 InetAddress.getByName("www.baidu.com");System.out.println(inetAddress01);// 常用方法//System.out.println(inetAddress01.getAddress()); 不常用System.out.println(inetAddress01.getHostAddress());// ip地址System.out.println(inetAddress01.getCanonicalHostName()); // 规范名字System.out.println(inetAddress01.getHostName()); // 域名/主机名} catch (UnknownHostException e) {e.printStackTrace();}}}